Ducts of the Reproductive System

Q. First meiotic division of primary oocyte is completed:

1. At the time of copulation within fallopian tube
2. After formation of ovum within the ovary
3. At the time of fertilization within ampulla
4. Within tertiary follicle prior to ovulation

Q. Secondary oocyte is released from the ovary at which stage?

1. Completion of meiosis I and meiosis II
2. After meiosis I followed by mitosis
3. After meiosis I before the start of meiosis II
4. Meiosis I before completion of meiosis II

Q. Ejaculatory duct is formed by the:

1. Vas deferens along with a duct from seminal vesicle
2. Epididymis along with a duct from seminal vesicle
3. Epididymis along with the prostatic duct
4. Vas deferens along with the prostatic duct

Q. In oogenesis, first polar body is formed after_____ during the division of_________.

1. meiosis I, primary oocyte
2. meiosis II, primary oocyte
3. meiosis I, secondary oocyte

4. meiosis II, secondary oocyte

Q.

The vas deferens receives duct from the seminal vesicle and opens into urethra as_________

1. ureter

2. ejaculatory duct

3. efferent ductule

4. epididymis

Q.

How does sperm formation take place?

Q. What are the cells that primary oocyte divides into called?

1. Ovum and second polar body
2. First polar body and second polar body
3. Secondary oocyte and second polar body
4. Secondary oocyte and first polar body

Q. How many ova will be formed from a single primary oocyte?

1. Four
2. One
3. Two
4. Three

Q. The oogonia are formed before the birth and no more are added after that in human females. These cells start the cell division but get arrested at a specific stage. Which stage is that?

1. Anaphase I
2. Metaphase II
3. Prophase I
4. Telophase II

Q.

What are spermatogenic cells?

Q.

How many spermatids are produced from 25 primary spermatocytes?

Q. If the epididymis gets blocked, the gametes will not be transported from

1. testes to vasa efferentia.
2. vasa efferentia to vas deferens.
3. rete testis to vasa efferentia.
4. None of these.

Q. Number of chromosomes in secondary oocyte stage in humans is

1. 23
2. 46
3. 18
4. 20

Q.

Which hormone is responsible for the process of spermatogenesis?

Q. Choose the correct event occuring during fertilisation.

1. Spermatogonia fuses with the oogonia
2. Primary spermatocyte fuses with the primary oocyte
3. Spermatid fuses with the ovum.
4. Spermatozoon fuses with the secondary oocyte.

Q. If the sperm count of a human male is 200 million per ejaculate, then how many sperms should have at least normal shape, size and vigorous motility for normal fertility?

1. 120 million
2. 80 million
3. 48 million
4. 60 million

Q.

What is spermiogenesis and spermiation?

Q. In a six year old girl, the oogenetic cell she has is ____(i)____ and it is in _____(ii)_____ phase of the cell cycle.

Choose the correct option

1. (i)- primary oocyte, (ii)- prophase-I
2. (i)- secondary oocyte, (ii)-prophase-I
3. (i)- primary oocyte, (ii)- metaphase -II
4. (i)- secondary oocyte, (ii)- metaphase-II

Q. What is the correct trajectory of sperm during ejaculation?

1. Ejaculatory duct, epididymis, vas deferens, ampulla of vas deferens, urethra
2. Epididymis, ejaculatory duct, ampulla of vas deferens, vas deferens, urethra
3. Epididymis, vas deferens, ampulla of vas deferens, ejaculatory duct, urethra
4. Vas deferens, ejaculatory duct, ampulla of vas deferens, urethra

Q. Define spermiation?

Q. Figure A shows the diagrammatic sectional view of ovary and figure B shows the schematic representation of oogenesis in human female.


Identify the correct stage of oocyte or its meiotic product present in the structures X, Y and Z respectively in the diagrammatic sectional view of ovary (Figure A).
Choose the correct option from the table below.
​​​​​​​[0.7 mark]

1. X	Y	Z
   Primary oocyte	Secondary oocyte	Second polar body

2. X	Y	Z
   Oogonia	Primary oocyte	Ovum

3. X	Y	Z
   Oogonia	Secondary oocyte	Ovum

4. X	Y	Z
   Primary oocyte	First polar body	Secondary oocyte

Q. The hormone which induces spermatogenesis is

1. ADH
2. FSH
3. Estrogen
4. Aldosterone

Q. Which of the following is correctly matched

1. GH – Controls BMR
2. FSH – Stimulates spermatogenesis
3. Oxytocin – Brings about ovulation
4. Relaxin – Stimulates lactation

Q. The given figure shows a diagrammatic stretch of a portion of human male reproductive system. Identify the parts labelled as A, B, C and D and select the correct option.

1. A-Vas deferens, B-Seminal vesicle, C-Prostate, D- Urethra
2. A-Vas deferens, B-Seminal vesicle, C-Bulbourethral gland, D-Prostate
3. A-Ureter, B-Seminal vesicle, C-Prostate, D-Bulbourethral gland
4. A-Ureter, B-Prostate, C-Seminal vesicle, D-Bulbourethral gland

Q.

When there is a single chromosome present in a haploid cell the why do we say that there are two chromosomes in the gamete cells called X and Y in males and X and X in females ?

Q. Define ''Spermiation '' and ''Spermiogenesis''.

Q. What is the role of fsh in males

Q.

Given below is a set of five terms. Without changing the first term, rearrange the remaining four, so as to be in a logical sequence as per the directions given in a bracket.

Seminiferous tubule, penis, urethra, epididymis, vas deferens. (course of passage of sperms in man)

Q. Common duct formed by union of vas-deferens and duct from seminal vesicle is

1. Urethra
2. Tunica vasculosa
3. Ejaculatory duct
4. Spermatic duct

Q. How many sperms are present in an average $3$ml ejaculation?

1. $300$ million
2. $800$ million
3. $500$ million
4. $200$ million